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Gas Chromatography. By Naaimat Muhammed. Gas- liquid chromatography is based upon the partition of the analyte between a gaseous mobile phase and a liquid phase immobilized on the surface of an inert solid.

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gas chromatography

Gas Chromatography

By

Naaimat Muhammed

slide2
Gas- liquid chromatography is based upon the partition of the analyte between a gaseous mobile phase and a liquid phase immobilized on the surface of an inert solid.
  • The concept of gas-liquid was first enunciated in 1941 by Martin and Synge, who were also responsible for the development of liquid-liquid partition chromatography .
  • In gas chromatography, the sample is vaporized and injected onto the head of a chromatographic column
  • Elution is brought about by the flow of an inert gaseous mobile phase.
  • Gas-liquid chromatography finds widespread use in all fields of science, where its name despite the fact that this usage neglects gas solid chromatography as a legitimate kind of chromatography
reference
Reference:
  • http://ull.chemistry.uakron.edu/analytical/GC/
  • Principles of Instrumental Analysis, Sloog, Holler, Nieman, Saunders College Pub 5th Edition (1998)
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